IMO, we're either crossing the Rubicon right now or we already have.
Signpost: what is being down to those Covington Catholic High School students gathered in front of the Lincoln Memorial while waiting for their buses (as instructed by their adult chaperones). While waiting for their buses they passed the time chanting their own school's cheers (you can clearly hear them yell CCS in the video).
They are all happy and in good spirits despite what happens. SOMEHOW their good mood and school spirit is interpreted as "confrontational, taunting, and mocking") They are good kids doing NOTHING wrong DESPITE those agitators trying to provoke a reaction.
If you're not familiar with the entire scene you MUST watch this 19 minute video of the entire episode which pretty much catches it beginning to end.